Оригінал: Vintage Guitar Magazine March 2015. Molly Martin. '24 Martin 00-45. Gretch's PX-6070 Cello Bass. Guitar sheet music.
Переклад: Гітара ноти. Vintage Guitar Magazine March 2015 vINTAGE GUITAR. 160 pages. Опубліковано Хел Леонард. HL.77772024. 60 Years On.